diff --git a/.github/workflows/default.yml b/.github/workflows/default.yml
index a8d87d1..c5e9036 100644
--- a/.github/workflows/default.yml
+++ b/.github/workflows/default.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.10
+          python-version: "3.10"
       - name: Install flake8
         run: pip install --upgrade flake8
       - name: Run flake8
@@ -29,7 +29,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.10
+          python-version: "3.10"
       - run: python -m pip install isort
       - name: isort
         uses: liskin/gh-problem-matcher-wrap@v1